Re: [R-sig-eco] Welcome to the "R-sig-ecology" mailing list

2013-07-19 Thread Roman Luštrik
I'm assuming you're trying to interpret the results of a logistic regression. If something else is your goal, please let us know. Here's a starting page you can try: http://www.ats.ucla.edu/stat/mult_pkg/faq/general/odds_ratio.htm In short, logistic regression gives you the odds of something happe

Re: [R-sig-eco] Welcome to the "R-sig-ecology" mailing list

2013-07-19 Thread Moshiur Rahman
Dear R-helpers, I did an experiment with Guppy where I had two dietary groups ("High" and "Low"). I completed all my data analysis, but stacked in "paternity analysis". I ran the attached model to analyse them, but as a novice in R, it's very hard for me to confirm whether this gives me the correc

Re: [R-sig-eco] help with matrix

2013-07-19 Thread Alexandre Camargo Martensen
Hi Katia, Did you try matrix[matrix>50]? Don't forget to change the number format, from 118,740 to 118.740. HTH, Alex On Thu, Jul 18, 2013 at 9:12 PM, Kátia Emidio wrote: > Hi, > I am a beginner at R and I would like to get information from a matrix, > where the numbers are larger than or

Re: [R-sig-eco] [R] extract beta.sim from dist type data (package betapart)

2013-07-19 Thread Sarah Goslee
On Fri, Jul 19, 2013 at 5:12 AM, Elaine Kuo wrote: > Hello Sarah, > > Thank you for the help very much. As already requested, please don't cross-post. Send your message to either the ecology list or the main help list, but NOT both. > Please kindly advise manuals dealing with the object list (or

Re: [R-sig-eco] Mixed effect (intercept) model with AR1 autocorrelation, structure

2013-07-19 Thread Highland Statistics Ltd
Gavin, Welcome to the prairies... I think this thread is getting off track... a few comments on the autocorrelation model, then bringing it back to the question I was trying to ask: I agree completely that we *must* model the time-series because our readings are not independent and hence

Re: [R-sig-eco] [R] extract beta.sim from dist type data (package betapart)

2013-07-19 Thread Elaine Kuo
Hello Sarah, Thank you for the help very much. Please kindly advise manuals dealing with the object list (or dist). In addition, I would like to show the beta diversity index in a map. Please kindly advise any other R package in need. Elaine On Wed, Jul 17, 2013 at 10:20 PM, Sarah Goslee wrote